Searched defs:halfNumCoef (Results 1 - 1 of 1) sorted by relevance

/frameworks/av/services/audioflinger/
H A DAudioResamplerFirGen.h396 * @param halfNumCoef is half the number of coefficients per filter phase.
402 static inline double firKaiserTbw(int halfNumCoef, double stopBandAtten) { argument
403 return (stopBandAtten - 7.95)/((2.*14.36)*halfNumCoef);
420 static inline double firTransfer(const T* coef, int L, int halfNumCoef, double w) { argument
422 coef += halfNumCoef; // skip first filterbank (picked up by the last filterbank).
426 for (int j=0, ix=i ; j<halfNumCoef ; ++j, ix+=L) {
464 int start = ((halfNumCoef)*L + 1);
470 for (int j=0 ; j<halfNumCoef ; ++j) {
504 * @param halfNumCoef should be half the number of coefficients for a single
521 static void testFir(const T* coef, int L, int halfNumCoef, argument
593 testFir(const T* coef, int L, int halfNumCoef, double fp, double fs, int passSteps, int stopSteps, double &passMin, double &passMax, double &passRipple, double &stopMax, double &stopRipple) argument
640 firKaiserGen(T* coef, int L, int halfNumCoef, double stopBandAtten, double fcr, double atten) argument
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